CN116699902A - Vehicle-mounted head-up display and backlight source device thereof - Google Patents

Vehicle-mounted head-up display and backlight source device thereof Download PDF

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Publication number
CN116699902A
CN116699902A CN202310597463.XA CN202310597463A CN116699902A CN 116699902 A CN116699902 A CN 116699902A CN 202310597463 A CN202310597463 A CN 202310597463A CN 116699902 A CN116699902 A CN 116699902A
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CN
China
Prior art keywords
display
light
plate
fixed
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310597463.XA
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Chinese (zh)
Inventor
蔡华
蔡明�
郭宇波
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Guangdong Ruihua Photoelectric Technology Co ltd
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Guangdong Ruihua Photoelectric Technology Co ltd
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Application filed by Guangdong Ruihua Photoelectric Technology Co ltd filed Critical Guangdong Ruihua Photoelectric Technology Co ltd
Priority to CN202310597463.XA priority Critical patent/CN116699902A/en
Publication of CN116699902A publication Critical patent/CN116699902A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133611Direct backlight including means for improving the brightness uniformity
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133628Illuminating devices with cooling means

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses a vehicle-mounted head-up display and a backlight source device thereof, which relate to the field of head-up displays and comprise an upper display shell, wherein the bottom of the upper display shell is fixedly provided with a lower display shell through a bolt piece, a backlight source assembly is arranged at the bottom of the lower display shell, a main light source and a light supplementing source in a refraction assembly are controlled to emit light sources one by one and sequentially through a curved lens and a light enhancement film, so that light rays of the light sources irradiate an adjustment assembly through an oblique lamp holder and a light filtering barrel, and the light sources are refracted by utilizing the adjusting function of the adjustment assembly and then are emitted by a reflection film layer and a heat insulation film layer to form output, and the adjustment range of the luminosity of the light sources is favorably improved through the output of a plurality of groups of light sources.

Description

Vehicle-mounted head-up display and backlight source device thereof
Technical Field
The invention relates to the field of head-up displays, in particular to a vehicle-mounted head-up display and a backlight source device thereof.
Background
A head-up display, which is a display device for projecting a main driving instrument posture guiding indicator and main flight parameters onto the front of the helmet or the windshield of the driver; the driver can see the main driving instrument and important flight parameters thereof simultaneously when looking forward to the front view outside the head-up camera; a backlight is a light source located behind a liquid crystal display, whose lighting effect will directly affect the visual effect of the liquid crystal display module, which displays graphics or which is the result of light modulation.
The existing backlight source device generally adopts a light source and various lens modules covered on the light source, but the existing lens, the light source and the display screen are far away in design structure, so that the utilization rate of light energy is low, and when the light source is easy to fail or light is attenuated, the display screen is difficult to uniformly illuminate, and display defects such as dark spots or unclear display under the influence of strong light are easy to occur; meanwhile, most of the existing light sources have poor heat dissipation effect, the brightness is easy to be reduced after the service time is long, and the service life of the backlight module is shortened.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned drawbacks, the present invention provides a vehicle head-up display and a backlight device thereof.
The invention is realized in such a way, a vehicle-mounted head-up display and a backlight source device thereof are constructed, the device comprises a display upper shell, a display lower shell is fixedly arranged at the bottom of the display upper shell through a bolt piece, and the device is characterized in that: the backlight source assembly is arranged at the bottom side of the display lower shell;
the backlight assembly includes: the bottom of the display lower shell is provided with the protective shell through bolts; the control main board is arranged at the bottom of the protective shell through bolts and plays a role in control; the limiting plate is fixedly arranged on the inner top side of the protective shell through a clamping piece; the limiting plate is clamped with the elbow at the bottom side of the clamping piece; the refraction component is mounted on the top bolt of the limiting plate; the adjusting component is fixedly arranged at the outer oblique angle of the refraction component shell; the heat dissipation part is fixedly clamped at the elbow at the top side of the clamping part; the front end of the radiating piece is provided with a wave band detector; wherein, control mainboard and wave band detector all are connected with external power source electricity.
Preferably, the refraction assembly includes: the top bolt of the limiting plate is provided with a radiating frame which plays a role in radiating; the rear end light outlet of the heat dissipation frame is fixedly clamped with the glass cover plate; the anti-dazzle sheet is fixedly clamped on the inner side of the glass cover plate; the front end of the anti-dazzle sheet is adhered and fixed with the reflecting film layer; the rear end of the anti-dazzle sheet is adhered and fixed with the heat-insulating film layer; the light source assembly is fixedly clamped in the heat dissipation frame; wherein, the light source assembly is electrically connected with an external power supply.
Preferably, the light source assembly includes: the mounting frame is fixedly clamped in the heat dissipation frame; the clamping shell is fixedly arranged on the clamping piece at the inner side of the mounting frame; the filter cylinder is fixedly arranged on the clamping piece at the inner side of the mounting frame; the right end of the clamping shell truss is fixedly provided with a main light source; the front end of the clamping shell truss is fixedly provided with a light supplementing source; the middle side of the clamping shell truss is fixedly clamped with a curved lens; the left side and the right side of the curved lens are respectively provided with a light enhancement film; the middle side of the clamping shell truss is fixedly clamped with the oblique lamp holder; wherein, main light source and light filling source all are connected with external power source electricity.
Preferably, the adjusting assembly includes: the front end bevel angle of the radiating frame is fixedly clamped with a limiting plate; the clamping ring is arranged at the through hole at the front end of the limiting plate and plays a role in clamping the rubber column; the rubber column is clamped and fixed at the inner side of the clamping ring; the electromagnetic spring is welded and fixed at the rear end of the limiting plate; the middle side bolt at the rear end of the limiting plate is provided with a current output device for adjusting the current output effect; the rubber column is adhered and fixed at the front end of the adhesive plate; the rear end of the sticky plate is fixedly stuck with the refractive plate; wherein, the electric current follower is connected with external power supply electricity.
Preferably, the heat sink includes: the heat conducting plate is clamped and fixed at the elbow at the top side of the clamping piece; the heat conducting rod is fixedly inserted into the through hole at the front end of the heat conducting plate; the heat conducting rod is fixed at the through hole at the front end of the heat radiating plate; and the semiconductor refrigerating sheet is arranged on the middle side bolt at the rear end of the heat conducting plate.
Preferably, the heat sink further comprises: the heating cylinder is fixedly inserted into the middle side through hole of the radiating fin plate; the front end of the heated cylinder is provided with a gas distribution piston in a sliding manner; the working piston is arranged at the rear end of the interior of the heated cylinder in a sliding manner; the piston rod at the rear end of the working piston is fixedly arranged at a through hole at the middle side of the displacement plate; wherein, the semiconductor refrigeration piece is connected with external power supply electricity.
Preferably, through holes are formed in the periphery of the outer side of the protective shell, the through holes are matched with the data ports of the control main board, and the heat dissipation frames and the tops of the heat dissipation fin plates are distributed at equal heights.
Preferably, three groups of curved lenses and two groups of light enhancement films are arranged on the inner side of the clamping shell, the curved lenses and the light enhancement films are distributed in a way of intersecting one by one from left to right, and the left side of the clamping shell and the oblique light holder are both provided with refractive light plates with an angle of 45 degrees.
Preferably, the limiting plate and the refraction plate at the elbow at the front end of the heat dissipation frame form an included angle of 45 degrees, and the maximum adjusting angle of the adhesive plate and the refraction plate is 15 degrees.
Preferably, the front end refrigerating end and the rear end refrigerating end of the semiconductor refrigerating sheet are respectively contacted with the heat conducting plate and the heated cylinder, and the diameter ratio of the air distribution piston and the working piston in the heated cylinder is 0.8:1.
The invention has the following advantages: the invention provides a vehicle-mounted head-up display and a backlight source device thereof through improvement, and compared with the same type of equipment, the vehicle-mounted head-up display has the following improvement:
according to the vehicle-mounted head-up display and the backlight device thereof, the backlight component is arranged at the bottom of the lower shell of the display, the main board is controlled to emit light sources through the main light source and the supplementary light source in the refraction component and sequentially pass through the curved lens and the light enhancement film one by one, so that light source rays irradiate out of the adjustment component through the oblique emission lamp holder and the light filtering barrel, the light sources are refracted by utilizing the adjusting function of the adjustment component and then are emitted out through the reflecting film layer and the heat insulation film layer to form output, the adjustment range of light source luminosity is favorably improved through the output of a plurality of groups of light sources, the influence of external strong light on the display light sources is further improved, the output uniformity of the output light sources is further improved, the current output device in the adjustment component is controlled to synchronously control the main board to output current to a plurality of electromagnetic springs, so that the electromagnetic springs are electrified and magnetized to generate shrinkage action, the angle adjustment action is carried out on the output light sources through changing the angle of the refraction board, the output light sources are detected through the wave band detector, the output light source output light sources are further carried out to the adjustment component, the output light source effect of the display light source is improved, the output light source effect is further improved, the adjustment is carried out through the work of the semiconductor wave pieces in the heat dissipation piece to output cold end to the detector and the heat conducting plate, the whole backlight source is favorably is reduced through the heat dissipation plate, the whole backlight device is conveniently, the heat dissipation piston is driven by the heat dissipation plate, and the heat dissipation plate is conveniently to move the whole piston is conveniently and the heat dissipation piston is moved, and the whole heat is conveniently and the heat dissipation piston is easy to move.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of an exploded perspective view of the upper and lower display cases of the present invention;
FIG. 3 is a schematic top view of a backlight assembly of the present invention;
FIG. 4 is a schematic perspective exploded view of a backlight assembly according to the present invention;
FIG. 5 is a schematic perspective exploded view of a refractive assembly of the present invention;
FIG. 6 is a schematic view of a light source assembly according to the present invention;
FIG. 7 is a schematic view of a perspective exploded view of a light source assembly according to the present invention;
FIG. 8 is a schematic perspective view of an adjustment assembly of the present invention;
FIG. 9 is a schematic perspective exploded view of a heat sink according to the present invention;
fig. 10 is a schematic diagram of a three-dimensional rear view structure of a heat sink according to the present invention.
Wherein: the display upper shell-1, the display lower shell-2, the backlight source component-3, the protective shell-31, the control main board-32, the limiting plate-33, the clamping piece-34, the refraction component-35, the adjusting component-36, the radiating piece-37, the wave band detector-38, the radiating frame-351, the glass cover plate-352, the anti-dazzle sheet-353, the reflecting film layer-354, the heat insulating film layer-355, the light source component-356, the mounting frame-3561, the clamping shell-3562, the light filtering barrel-3563, the main light source-3564, the light supplementing source-3565, the curved lens-3566, the light enhancement film-3567, the oblique light holder-3568, the limiting plate-361, the clamping ring-362, the rubber column-363, the electromagnetic spring-364, the current output device-365, the sticky plate-366, the refraction plate-367, the heat conducting plate-371, the heat conducting rod-372, the heat radiating plate-373, the semiconductor refrigerating plate-374, the heated barrel-375, the air distributing piston-376, the working piston-377 and the displacement plate-378.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-10, the examples being provided for illustration only and not for limitation of the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
referring to fig. 1 to 7, the vehicle-mounted head-up display and a backlight device thereof of the present invention include a display upper case 1, a display lower case 2 fixedly installed at the bottom of the display upper case 1 by a bolt, and the invention is characterized in that: also includes a backlight assembly 3 mounted on the bottom side of the display lower case 2;
the backlight source assembly 3 comprises a protective shell 31, the protective shell 31 is mounted at the bottom of the lower display shell 2 through bolts, a control main board 32 playing a control role is mounted at the bottom of the protective shell 31 through bolts, the control main board 32 is connected with an external control terminal in a cable control mode, a limiting plate 33 is fixedly mounted at the inner top side of the protective shell 31 through a clamping piece, the limiting plate 33 is clamped with the elbow of the bottom side of the clamping piece 34, the limiting plate 33 is utilized to provide a limiting mounting effect for the clamping piece 34, a refraction assembly 35 is mounted at the top of the limiting plate 33 through bolts, an adjusting assembly 36 is fixedly mounted at the outer oblique angle of the refraction assembly 35, a heat dissipation piece 37 is clamped and fixed at the elbow of the top side of the clamping piece 34, a band detector 38 is arranged at the front end of the heat dissipation piece 37, the band detector 38 is used for monitoring a light source band, and the control main board 32 and the band detector 38 are electrically connected with an external power supply to provide electric energy for the control main board 32 and the band detector 38.
The outer periphery of the protective shell 31 is provided with through holes, the through holes are matched with the data ports of the control main board 32, the installation and cable plugging effects of the control main board 32 are improved, and the tops of the heat dissipation frames 351 and the heat dissipation fin plates 373 are distributed at equal heights.
The refraction subassembly 35 includes cooling frame 351, cooling frame 351 that plays the heat dissipation effect is installed to limiting plate 33 top bolt, cooling frame 351 rear end light outlet department joint is fixed with glass apron 352, utilize glass apron 352 to provide the installation spacing action for anti-dazzle piece 353 and reflection rete 354, glass apron 352 inboard joint is fixed with anti-dazzle piece 353, anti-dazzle piece 353 front end glues and be fixed with reflection rete 354, reduce the reflection phenomenon of outside light, anti-dazzle piece 353 rear end glues and be fixed with thermal-insulated rete 355, cooling frame 351 inside joint is fixed with light source subassembly 356, light source subassembly 356 is connected with external power electricity, provide the electric energy for light source subassembly 356.
The light source assembly 356 comprises a mounting frame 3561, a mounting frame 3561 is fixedly clamped inside the heat dissipation frame 351, a clamping shell 3562 is fixedly mounted on an inner clamping piece of the mounting frame 3561, a mounting protection effect is provided for components such as a light supplementing source 3565 by means of the clamping shell 3562, a filter cylinder 3563 is fixedly mounted on the inner clamping piece of the mounting frame 3561, a main light source 3564 is fixedly mounted at the right end of a truss of the clamping shell 3562, a light supplementing source 3565 is fixedly mounted at the front end of the truss of the clamping shell 3562, a curved lens 3566 is fixedly clamped on the middle side of the truss of the clamping shell 3562, guidance is provided for light source filtering through the curved lens 3566, a light enhancement film 3567 is respectively arranged on the left side and the right side of the curved lens 3566, an oblique light socket 3568 is fixedly clamped on the middle side of the truss of the clamping shell 3562, and the main light source 3564 and the light supplementing source 3565 are electrically connected with an external power source, and electric energy is provided for the main light source 3564 and the light supplementing source 3565.
Three groups of curved lenses 3566 and two groups of light enhancement films 3567 are arranged on the inner side of the clamping shell 3562, the curved lenses 3566 and the light enhancement films 3567 are distributed in a crossed mode from left to right, and refractive light plates with an angle of 45 degrees are arranged on the left side of the clamping shell 3562 and the oblique light holder 3568, so that the filtering and light enhancement effects of the curved lenses 3566 and the light enhancement films 3567 on a light source are improved.
The working principle of the vehicle-mounted head-up display and the backlight source device based on the first embodiment is as follows:
firstly, when the equipment is used, the equipment is firstly placed in a working area, and then the device is connected with an external power supply, so that the power supply required by the work of the equipment can be provided.
Secondly, when the backlight source performs working irradiation, a worker inputs a command to the control main board 32 through the operation panel, so that the control main board 32 performs working through the main light source 3564 and the light supplementing source 3565 in the control refraction assembly 35, and the main light source 3564 emits light sources and sequentially passes through the curved lens 3566 and the light enhancing film 3567 one by one;
thirdly, the light enhancement film 3567 is utilized to provide light enhancement for the passing light source, and the light source supplementing action is provided through the work of the supplementing light source 3565, so that the light of the light source passes through the curved lens 3566, then is input into the oblique lamp holder 3568 through the oblique refractive plate on the front end side of the clamping shell 3562, and irradiates out the adjusting component 36 under the action of the light source angle adjustment of the oblique lamp holder 3568 and the filtering wave of the filtering cylinder 3563;
fourth, the light source is refracted by the adjusting component 36 and then is emitted by the reflecting film layer 354 and the heat insulating film layer 355 to form output, which is beneficial to improving the adjusting range of the luminosity of the light source through the output of a plurality of groups of light sources, thereby reducing the influence of external strong light on the display light source and improving the output uniformity of the output light source.
Embodiment two:
referring to fig. 1, fig. 4 and fig. 8, in the vehicle head-up display and the backlight device thereof according to the present invention, compared with the first embodiment, the present embodiment further includes: the adjusting component 36, the adjusting component 36 includes a limiting plate 361, a limiting plate 361 is clamped and fixed at the oblique angle of the front end of the heat dissipation frame 351, a clamping ring 362 playing a role in clamping the rubber column 363 is arranged at the through hole of the front end of the limiting plate 361, an installation limiting effect is provided for the rubber column 363 by using the clamping ring 362, the rubber column 363 is clamped and fixed at the inner side of the clamping ring 362, an electromagnetic spring 364 is welded and fixed at the rear end of the limiting plate 361, the electromagnetic spring 364 is connected with a current output device 365 through a cable, a current output device 365 for adjusting the current output effect is mounted at the middle side bolt of the rear end of the limiting plate 361, the current intensity is input and changed to the electromagnetic spring 364 through the current output device 365, the rubber column 363 is fixed at the front end of the adhesive plate 366 through the adhesive, a refractive plate 367 is fixed at the rear end of the adhesive plate 366 through the adhesive, the current output device 365 is electrically connected with an external power supply, the electric energy is provided for the current output device 365, the limiting plate 361 and the refractive plate 367 at the front end elbow of the heat dissipation frame 351 form an included angle of 45 degrees, and the maximum adjusting angle between the adhesive plate 366 and the refractive plate 367 is 15 degrees, and the adjusting effect of the adhesive plate 366 is improved.
In this embodiment:
when the output angle of the backlight source needs to be adjusted, a worker can synchronously control the current output device 365 in the adjusting assembly 36 to work through the control main board 32, so that the current is output to a plurality of groups of electromagnetic springs 364, the precision of the output current is controlled through the control effect of the current output device 365, the electromagnetic springs 364 can control the shrinkage of the electromagnetic springs 364 in a certain range when the electromagnetic springs 364 are electrified and magnetically generated, the electromagnetic springs can shrink, the angle of the refraction plate 367 is changed, the angle of the output light source is adjusted, the rubber columns 363 are clamped and fixed under the auxiliary clamping effect of the clamping ring 362 through the limiting plates 361, and quick installation of the adhesive plates 366 and the refraction plate 367 is facilitated.
Third embodiment:
referring to fig. 1, fig. 4, fig. 9 and fig. 10, in the vehicle head-up display and the backlight device thereof according to the present invention, compared with the first embodiment, the embodiment further includes: the heat dissipation piece 37, the heat dissipation piece 37 includes heat conduction board 371, joint fixed with heat conduction board 371 in joint on joint piece 34 top side elbow department, utilize joint piece 34 to provide installation screens effect for heat conduction board 371, heat conduction board 371 front end through-hole department grafting is fixed with heat conduction pole 372, heat conduction pole 372 is fixed in heat dissipation board 373 front end through-hole department, derive the heat to heat dissipation board 373 through heat conduction pole 372, semiconductor refrigeration piece 374 is installed to heat conduction board 371 rear end mid-side bolt, utilize semiconductor refrigeration piece 374 to provide refrigeration radiating effect, heat dissipation board 373 mid-side through-hole grafting is fixed with a heat receiving cylinder 375, the inside front end slip of heat receiving cylinder 375 is provided with the gas distribution piston 376, the inside rear end slip of heat receiving cylinder 375 is provided with work piston 377, through piston 376 and work piston 377 provide reciprocating drive action for displacement board 378, work piston 377 rear end piston rod fixed mounting is in displacement board 378 mid-side through-hole department, semiconductor refrigeration piece 374 is connected with external power supply electricity, provide the electric energy for semiconductor refrigeration piece 374.
The front end refrigeration end and the rear end heating end of the semiconductor refrigeration piece 374 are respectively contacted with the heat conducting plate 371 and the heated cylinder 375, the diameter ratio of the air distribution piston 376 and the working piston 377 in the heated cylinder 375 is 0.8:1, and the pushing effect of temperature on the air distribution piston 376 and the working piston 377 is improved.
In this embodiment: when working in the backlight assembly 3, a worker synchronously controls the semiconductor cooling piece 374 in the heat radiating piece 37 through the control terminal to work, and because the cold air at the cold end of the semiconductor cooling piece 374 is close to the band detector 38, the cold air can be output to the band detector 38 and the heat conducting plate 371 is subjected to the heat radiation and cooling phenomenon of the whole backlight assembly 3, and meanwhile, the hot end of the semiconductor cooling piece 374 is close to the heated cylinder 375, so that the temperature difference between the front end and the rear end of the heated cylinder 375 is increased, the temperature difference is utilized to drive the air distributing piston 376 and the working piston 377 to perform reciprocating motion in the front-rear direction, the piston rod at the front end of the working piston 377 drives the displacement plate 378 to move, and the displacement plate 378 realizes the reciprocating motion in the front-rear direction to stir the air around the heat radiating plate 373 to perform the heat radiation motion, so that the whole service life of the backlight assembly 3 is prolonged.
The invention provides a vehicle-mounted head-up display and a backlight device thereof by improvement, the bottom of a lower shell 2 of the display is provided with a backlight component 3, a control main board 32 emits light sources through a main light source 3564 and a light supplementing source 3565 in a refraction component 35 and sequentially passes through a curved lens 3566 and a light enhancement film 3567 one by one, so that light source rays irradiate an adjusting component 36 through an oblique light holder 3568 and a light filtering barrel 3563, the light sources are refracted by the adjusting component 36 and then are emitted by a reflecting film layer 354 and a heat insulation film layer 355 to form output, the adjustment range of the luminosity of the light sources is favorably improved by the output of a plurality of groups of light sources, the influence of external strong light on the display light sources is reduced, and the output uniformity of the output light sources is improved, the control main board 32 synchronously controls the current output device 365 in the adjusting component 36 to output current to a plurality of groups of electromagnetic springs 364, so that the electromagnetic springs 364 are electrified and magnetically generate shrinkage action, then the angle of the refraction plate 367 is changed to perform angle adjustment action on the output light source, then the wave band detector 38 is used for detecting the wave band of the output light source, so that the output effect of the display light source is improved, then the semiconductor refrigerating piece 374 in the radiating piece 37 is used for outputting cold air of the cold end to the wave band detector 38 and the heat conducting plate 371 to reduce the heating phenomenon of the whole backlight source, and the hot end of the semiconductor refrigerating piece 374 is used for driving the air distributing piston 376 and the working piston 377 to drive the displacement plate 378 to move so as to stir air around the heat radiating plate 373 to perform heat radiation action, so that the whole service life of the backlight source component 3 is prolonged.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a on-vehicle new line display and backlight device thereof, includes display epitheca (1), display epitheca (1) bottom is through bolt spare fixed mounting has display inferior valve (2), its characterized in that: the display also comprises a backlight source assembly (3) arranged at the bottom side of the display lower shell (2);
the backlight assembly (3) includes:
the bottom of the display lower shell (2) is provided with the protective shell (31) through bolts; a control main board (32), wherein a control main board (32) playing a control role is mounted on an inner bottom bolt of the protective shell (31); the limiting plate (33) is fixedly arranged on the inner top side of the protective shell (31) through a clamping piece; the limiting plate (33) is clamped with the elbow at the bottom side of the clamping piece (34); the refraction component (35) is arranged on the top bolt of the limiting plate (33); the adjusting component (36) is fixedly arranged at the outer oblique angle of the refraction component (35) shell; the heat dissipation piece (37) is clamped and fixed at the elbow at the top side of the clamping piece (34); a band detector (38), wherein the band detector (38) is arranged at the front end of the heat radiating piece (37);
wherein, control mainboard (32) and wave band detector (38) all are connected with external power source electricity.
2. The vehicle head-up display and backlight device thereof according to claim 1, wherein: the refraction assembly (35) comprises:
the heat dissipation frame (351) is arranged on the top bolt of the limiting plate (33) and is used for heat dissipation; the glass cover plate (352) is clamped and fixed at the light outlet at the rear end of the heat dissipation frame (351); an antiglare sheet (353), wherein the antiglare sheet (353) is fixedly clamped on the inner side of the glass cover plate (352); a reflective film layer (354), wherein the reflective film layer (354) is adhered and fixed at the front end of the antiglare sheet (353); a heat insulation film layer (355), wherein the heat insulation film layer (355) is adhered and fixed at the rear end of the antiglare sheet (353); the light source assembly (356) is fixedly clamped inside the heat dissipation frame (351);
wherein, the light source assembly (356) is electrically connected with an external power source.
3. The vehicle head-up display and backlight device thereof according to claim 2, wherein: the light source assembly (356) includes:
the mounting frame (3561) is fixedly clamped inside the heat dissipation frame (351) and is fixedly provided with the mounting frame (3561); the clamping shell (3562) is fixedly arranged on the clamping piece on the inner side of the mounting frame (3561); the filter tube (3563) is fixedly arranged on the inner side clamping piece of the mounting frame (3561); the main light source (3564) is fixedly arranged at the right end of the truss of the clamping shell (3562); the light supplementing source (3565) is fixedly arranged at the front end of the truss of the clamping shell (3562); a curved lens (3566), wherein the curved lens (3566) is clamped and fixed at the middle side of the truss of the clamping shell (3562); a light enhancement film (3567), wherein the left side and the right side of the curved lens (3566) are respectively provided with the light enhancement film (3567); the oblique lamp holder (3568) is clamped and fixed at the middle side of the truss of the clamping shell (3562);
wherein, the main light source (3564) and the supplementary light source (3565) are electrically connected with an external power supply.
4. A vehicle head-up display and backlight assembly according to claim 3, wherein: the adjustment assembly (36) includes:
the limiting plate (361) is clamped and fixed at the bevel angle of the front end of the radiating frame (351); the clamping ring (362) is arranged at the through hole at the front end of the limiting plate (361) and is used for clamping the rubber column (363); a rubber column (363), wherein the rubber column (363) is clamped and fixed at the inner side of the clamping ring (362); an electromagnetic spring (364), wherein the electromagnetic spring (364) is welded and fixed at the rear end of the limiting plate (361); a current output device (365), wherein a current output device (365) for adjusting the current output effect is arranged on a bolt at the middle side of the rear end of the limiting plate (361); the rubber column (363) is adhered and fixed at the front end of the adhesive plate (366); the rear end of the sticky plate (366) is sticky and fixed with the refractive plate (367);
wherein the current follower (365) is electrically connected to an external power source.
5. The vehicle head-up display and backlight device thereof according to claim 1, wherein: the heat sink (37) includes: the heat conducting plate (371) is clamped and fixed at the elbow at the top side of the clamping piece (34); the heat conducting rod (372) is fixedly connected to the front end through hole of the heat conducting plate (371) in an inserted mode; a fin plate (373), the heat conduction rod (372) being fixed at a through hole at the front end of the fin plate (373); and the semiconductor refrigerating piece (374) is arranged on the middle side bolt at the rear end of the heat conducting plate (371).
6. The vehicle head-up display and backlight device thereof according to claim 5, wherein: the heat sink (37) further includes: the heating cylinder (375) is inserted and fixed in the middle side through hole of the radiating fin plate (373); the air distribution piston (376) is arranged at the front end in the heated cylinder (375) in a sliding manner; a working piston (377), wherein the working piston (377) is slidably arranged at the rear end of the interior of the heated cylinder (375); the rear end piston rod of the working piston (377) is fixedly arranged at a through hole at the middle side of the displacement plate (378);
wherein the semiconductor cooling piece (374) is electrically connected with an external power supply.
7. The vehicle head-up display and backlight device thereof according to claim 1, wherein: the protection casing (31) outside all is equipped with the through-hole all around, and this through-hole department pairs with the data mouth of control mainboard (32), heat dissipation frame (351) and fin board (373) top are the contour distribution.
8. A vehicle head-up display and backlight assembly according to claim 3, wherein: three groups of curved lenses (3566) and two groups of light enhancement films (3567) are arranged on the inner side of the clamping shell (3562) in a total mode, the curved lenses (3566) and the light enhancement films (3567) are distributed in a crossed mode one by one from left to right, and the left side of the clamping shell (3562) and the oblique light holder (3568) are both provided with refractive light plates with an angle of 45 degrees.
9. The vehicle head-up display and backlight device thereof according to claim 2, wherein: limiting plates (361) and refractive plates (367) at front end elbows of the heat dissipation frames (351) form an included angle of 45 degrees, and the maximum adjusting angle of the adhesive plates (366) and the refractive plates (367) is 15 degrees.
10. The vehicle head-up display and backlight device thereof according to claim 5, wherein: the front end refrigerating end and the rear end refrigerating end of the semiconductor refrigerating piece (374) are respectively in contact with the heat conducting plate (371) and the heated cylinder (375), and the diameter ratio of the air distribution piston (376) and the working piston (377) in the heated cylinder (375) is 0.8:1.
CN202310597463.XA 2023-05-25 2023-05-25 Vehicle-mounted head-up display and backlight source device thereof Pending CN116699902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310597463.XA CN116699902A (en) 2023-05-25 2023-05-25 Vehicle-mounted head-up display and backlight source device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310597463.XA CN116699902A (en) 2023-05-25 2023-05-25 Vehicle-mounted head-up display and backlight source device thereof

Publications (1)

Publication Number Publication Date
CN116699902A true CN116699902A (en) 2023-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310597463.XA Pending CN116699902A (en) 2023-05-25 2023-05-25 Vehicle-mounted head-up display and backlight source device thereof

Country Status (1)

Country Link
CN (1) CN116699902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117170105A (en) * 2023-09-11 2023-12-05 衍视电子科技(上海)有限公司 HUD product curved mirror rotation control mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117170105A (en) * 2023-09-11 2023-12-05 衍视电子科技(上海)有限公司 HUD product curved mirror rotation control mechanism
CN117170105B (en) * 2023-09-11 2024-04-30 衍视电子科技(上海)有限公司 HUD product curved mirror rotation control mechanism

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